Two photograph albums containing photographs of railroad bridge construction in Minnesota , on the St. Croix River, the Clearwater River, and the Soo River. The photographs, most of which are captioned and dated, include images of such things as cutting, filling, bridges and piers, camps, and surveying. A few images of towns and people are included...

This collection consists of glass plate negatives and advertising ephemera created by the Baugh & Sons Company, also known as the Baugh Chemical Company, manufacturers of a variety of agricultural fertilizers from 1855-1963.

Photographs taken by Judge Emile E.O. Gorlia during five journeys through the Belgian Congo and two vacation leaves, one in Belgium and one in the Canaries Islands, 1909-1928 and at the World Exposition in Brussels (1958). The collection dates from 1909-1958. His first mission was from January 1910 to January 1912; the second, from February 1915 to March 1917; the third, from December 1917 to April 1920; the fourth, from November 1920 to February 1923 and, the fifth, from March 1926 to December 1928. For his first four missions at Lusambo in the Kasai province, district of Sankuru, Emile Gorlia was acting as an alternate to the public officer at one of the seven tribunals of first instance. During his fifth and final mission, he was promoted as president of the Court at Albertville in the ditrict of Katanga. Judge E.O. Gorlia was a keen amateur photographer with the advantage of not only traveling extensively around the state but also with the privilege of being able to afford the time and money to produce a prolific number of images. His images illustrate with great detail the full experience of a government official in mission in the Belgian Congo, starting in Antwerp at the pier of this Belgian harbor and taking up his duties at Lusambo, an administrative town in the hearth of th Belgian congo. The majority of images are of the following Belgian Congo districts, Lower Congo, Kassai, Sankuru, and Katanga. They include the cities of Banana, Boma, Matadi, Leopoldville (now Kinshasa), Lusambo, Luebo, Dilolo, Albertville (now Kalemie) in the Belgian Congo, Brazzaville in the French Equatorial africa, Zanzibar, Dar es Salaam, Tabora and Kigoma in tanganyika, Dakar in Senegal, Conakry in Guinea, Freetown in Sierra Leone, Port Said in Egypt and finally Casablanca in Morocco. There are also images of villages scenes and portraits of the Tetela, Songye, Luba, Kanioka, Lunda, Chokwe, Pende, Bangala and Kuba. Also included are images of the natural environment as the Congo river, the Kasai and Sankuru rivers, the banks of Lake Tanganyika and the savanna-woodland of the western part of the Katanga district as well as as the south part of the Sankuru region.

The Cummings Structural Concrete Company Records consists primarily of correspondence and business records documenting Robert A. Cummings' firm, consulting work, and participation in professional associations, especially the American Society of Civil Engineers, 1892-1893, circa 1900-1939; technical data and publications on soils testing, 1900-1939;...

The collection documents the career of George S. Morison, a prominent civil engineer, specializing in railroad bridge design. The materials consist primarily of drawings and maps (linen tracings, blueprints, sketches); final bridge reports; photographs; glass plate negatives; daily diaries; correspondence; and published material documenting George S. Morison's participation on the Isthmian Canal Commission, 1898-1903.

The collection consists of correspondence, invoices, drawings, photographs, and negatives and other printed literature documenting the Baltimore and Ohio Railroad from its inception in 1827 to its merger with the Chesapeake and Ohio Railroad in the 1960s.

The records document the work of consulting engineers and bridge builders, Ralph Modjeski (1861-1940) and Frank Masters (1883-1974) of Harrisburg, Pennsylvania.

The collection consists of: a 1903 book of photographs entitled "Illustrations Showing the Works of the Passaic Steel Company at Paterson, New Jersey"; photograph albums (including several cyanotype albums) of the port of Hoboken, the terminal and buildings and other structures; a "souvenir" photograph album of the Clarks Summit/Halstead cut-off, 1...

Duncan Schiedt (1921-2014) was a jazz scholar, writer, photographer, film maker, researcher and pianist. He authored four books relating to jazz history. Many of his photographs and articles were featured in magazines, periodicals and documentaries. Schiedt also collected the work of other photographers on the subject of jazz. The collection primarily consists of photographs created by or collected by Mr. Schiedt.

The collection consists of photographic negatives relating to a valuation study of the New York Central Railroad dating from 1914 to 1923.